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Linux default greeters list user names on log in screen. This is sort of a security risk. Using lightdm + slick greeter can avoid this, rendering it back to the key-in username type. To do so, dnf install lightdm slick-greeter systemctl stop gdm (or whatever dm you are using) systemctl disable gdm edit /etc/lightdm/lightdm,conf, change […]

When you are working on a remote server through nomachine or vnc, and there is no video card on the remote server that supports OpenGL > 1.4, the MESA in default render OpenGL version 1.4. This will cause the application to fail even if they do not really need to raise a GUI. Here is […]

Nomachine uses port 4000, however, the server may not have that port opened to your local IP. However, as long as you can ssh the server, you can use the following ssh tunnel to use Nomachine – securely and fast: From a ssh client, do: ssh -L <port>:localhost:4000 -N -f <username>@<nomachine_server> From your nomachine client, […]